Russian billionaire and politician Suleyman Kerimov has been charged with laundering money gained through tax fraud in France.

The 51-year-old, who was arrested at Nice Airport and held for two days, has now been released on bail of €5m (£4.4m) under strict conditions which included handing over his passport to French authorities.

The charge of aggravated money laundering - which carries a prison sentence of up to 10 years - is linked to the purchase of deluxe homes on the French Riviera through intermediary companies, and which could have been used as a way to side-step tax payments.